Please see these two buildings/ address nodes which were left with an empty string in the addr:housename field after being modified in a StreetComplete changeset
https://www.openstreetmap.org/way/223582625/history/4
https://www.openstreetmap.org/node/7083550817/history/3

How to Reproduce
Unknown

Versions affected
v62.0